{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{3}{c}}
\toprule
                    &\multicolumn{3}{c}{}                                             \\\cmidrule(lr){2-4}
                    &\multicolumn{1}{c}{Left ENP, 2014}&\multicolumn{1}{c}{PD/left, 2014}&\multicolumn{1}{c}{Left votes, 1995-2014}\\
\midrule
Sardine             &      -1.499         &      -6.618\sym{***}&       2.270         \\
                    &     (0.553)         &     (0.000)         &     (0.498)         \\
treatment\_orig=1 $\times$ 2.tercile&      -1.240         &       3.879         &      -5.406         \\
                    &     (0.684)         &     (0.118)         &     (0.126)         \\
treatment\_orig=1 $\times$ 3.tercile&      -5.119         &       5.119         &      -10.26\sym{**} \\
                    &     (0.093)         &     (0.093)         &     (0.005)         \\
\midrule
Municipality FE     &         Yes         &         Yes         &         Yes         \\
Election FE         &                     &                     &                     \\
R-squared           &       0.763         &       0.763         &       0.766         \\
Elections           &                     &                     &                     \\
Clusters            &                     &                     &                     \\
Observations        &        1841         &        1841         &        1841         \\
\bottomrule
\multicolumn{4}{l}{\footnotesize \textit{p}-values in parentheses}\\
\multicolumn{4}{l}{\footnotesize \sym{*} \(p<0.05\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
}
